diff --git a/tests/wait-a-bit-longer.cpp b/tests/wait-a-bit-longer.cpp
new file mode 100644
index 0000000..029e36f
--- /dev/null
+++ b/tests/wait-a-bit-longer.cpp
@@ -0,0 +1,30 @@
+#include <catch2/catch.hpp>
+#include <chrono>
+#include <thread>
+#include <trompeloeil.hpp>
+
+/** @short Wait until a given sequence of expectation is matched, and then a bit more to ensure that there's silence afterwards */
+void waitForCompletionAndBitMore(const trompeloeil::sequence& seq)
+{
+    using namespace std::literals;
+    using clock = std::chrono::steady_clock;
+
+    // We're busy-waiting a bit
+    const auto waitingStep = 30ms;
+    // Timeout after this much
+    const auto completionTimeout = 5000ms;
+    // When checking for silence afterwards, wait at least this long.
+    // We'll also wait as long as it originally took to process everything.
+    const auto minExtraWait = 100ms;
+
+    auto start = clock::now();
+    while (!seq.is_completed()) {
+        std::this_thread::sleep_for(waitingStep);
+        if (clock::now() - start > completionTimeout) {
+            break;
+        }
+    }
+    REQUIRE(seq.is_completed());
+    auto duration = std::chrono::duration<double>(clock::now() - start);
+    std::this_thread::sleep_for(std::max(duration, decltype(duration)(minExtraWait)));
+}